Hi David. Welcome to the forum. Isn't it great to have the time in retirement to enjoy what we love?
Our welcome page
has more information about the forum and its rules, but you seem to know that. It is certainly OK to mention your lutherie business here in your introduction, but by and large self-promotion should be confined to our Members' Announcements
Once you have posted a second message you will be able to access all the mp3 files and videos in our recording sections, all the members' scores and levels 1 - 3 of the Delcamp score collection, and post your own scores and recordings. After 20 posts you may subscribe to the 020 usergroup with associated membership privileges including access to the higher levels of sheet music in Delcamp's library (see here
It is helpful if members include their location in their Profile - click on your username and edit.
See you around.